Traces lineage to great-grandfather Ghanshyam Das Birla , who built commodities empire and was a close associate of Mahatma Gandhi.

Net Worth:$4.2 bilFortune:inheritedSource:commoditiesAge:41Country Of Citizenship:IndiaResidence:MumbaiIndustry:DiversifiedEducation:University of Bombay, Bachelor of Arts / Science, London Business School, Master of Business AdministrationMarital Status:married, 2 children

Traces lineage to great-grandfather Ghanshyam Das Birla , who built commodities empire and was a close associate of Mahatma Gandhi. At age 28 inherited Aditya Birla Group, commodities conglomerate named after father, who died at the age of 52 in 1995. Today group has revenues of $28 billion and operations in 25 countries. His Hindalco, which bought aluminium company Novelis for $6 billion in 2007, is world's largest producer of rolled aluminium. Last October a rights issue by Hindalco did poorly as its stock price plunged to record low. His telecom outfit Idea bought 50% in Indian mobile operator Spice Communications last June. Also has interests in financial services, retailing. Mother Rajashree oversees charitable arm that works in 3,700 villages.